Home / 18,726.12-25,842.66-10,769.64

Finding the Fourth Proportional to 18,726.12, 25,842.66 and 10,769.64

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Solution

The fourth proportional to 18,726.12, 25,842.66 and 10,769.64 is: 14,862.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.12 : 25,842.66 = 10,769.64 : x
  2. Step 2: Convert to fraction form
    18,726.12/25,842.66 = 10,769.64/x
  3. Step 3: Cross multiply
    18,726.12x = 25,842.66 × 10,769.64
  4. Step 4: Simplify right side
    18,726.12x = 278,316,144.84
  5. Step 5: Solve for x
    x = 278,316,144.84/18,726.12
  6. Step 6: Final answer
    x = 14,862.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.